19915164

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{2437}}^1$

素因数の和:2674

約数の個数: 36

約数和(自身を含む): 50583624

約数和(自身を除く): 30668460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2437, 2724, 4086, 4874, 7311, 8172, 9748, 14622, 21933, 29244, 43866, 87732, 553199, 1106398, 1659597, 2212796, 3319194, 4978791, 6638388, 9957582, 19915164]

約数ペア:

[(1, 19915164), (2, 9957582), (3, 6638388), (4, 4978791), (6, 3319194), (9, 2212796), (12, 1659597), (18, 1106398), (36, 553199), (227, 87732), (454, 43866), (681, 29244), (908, 21933), (1362, 14622), (2043, 9748), (2437, 8172), (2724, 7311), (4086, 4874)]